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2010 Mar 17
0
checksum errors increasing on "spare" vdev?
...was also
failing. I disagreed because the errors were being recorded on the "fake" vdev
"spare", but I want to make sure my hunch is correct.
My hunch is that since reads from userland continue to come to the pool, and
since it''s raidz, some of those reads will be for zobject addresses on the
failed drive, now represented by the spare. Because the data at those addresses
is uninitialized, we get checksum errors.
I guess I really have two questions:
1. Am I correct about the source of the checksum errors attributed to the
"spare" vdev?
2. During raidz resilve...